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US2668943A
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Dynamic diode tester
Assignee: COMPUTER RESEARCH Corp OF CALIFORNIA
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Filing: 1951-02-16
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Granted: 1954-02-09
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Expires: 1971-02-16
Abstract
No abstract record available.
Inventors
- 👤 Bernard T Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:16
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/26; G01R31/2607; G01R31/2632
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1933274A
Cited
US2409419A
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US2408858A
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US2459849A
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US2517977A
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US2574682A
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US2585353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |